Use edition 2018 of rust for compilation
Use edition 2018 of rust for compilation

ghamerly/problemtools,jsannemo/problemtools,Kattis/problemtools,Kattis/problemtools,jsannemo/problemtools,Kattis/problemtools,jsannemo/problemtools,ghamerly/problemtools,Kattis/problemtools,jsannemo/problemtools,ghamerly/problemtools,ghamerly/problemtools